附件7:敏感度分析二(工程成本变化的影响)工程成本变化率-15%-10%-5%05%10%15%结论工程成本88694548 93935121 99178277 104424017 109672339 114923244 120176732 与工程成本变化相对应的指标值及其变化率净现值NPV95282219 87688082 80091792 72493350 64892756 57290009 49685109 工程成本每增减5%,NPV值相应等比增减10.5% ,影响率约为1:2变化率31.4%21.0%10.5%0.0%-10.5%-21.0%-31.5%内部收益率55.37%50.47%45.84%41.45%37.27%33.29%29.48%变化率33.6%21.8%10.6%0.0%-10.1%-19.7%-28.9%税后利润126210630 118024802 109836777 101646556 93454138 85259523 77062712 工程成本每增减5%,税后利润相应等比增减8.1% ,影响率约为1:1.6变化率24.2%16.1%8.1%0.0%-8.1%-16.1%-24.2%成本利润率77.32%68.28%60.19%52.91%46.32%40.33%34.86%工程成本减少对成本利润率影响较大变化率46.1%29.0%13.8%0.0%-12.4%-23.8%-34.1%